The CHIO Rotterdam organizes in cooperation with the Rotterdamsche Manège the annual dressage competition for teams from KNHS-clubs located in the province of Zuid-Holland.

Every club in the province can sent a team of four riders, two riders will ride an M1/M2 test and two riders will participate with a Z1/Z2/ZZL test. The competition consists of a selection during the Withsun weekend. The semi finals and finals take place on sunday June 24, the last day of the CHIO Rotterdam.